▪ In a blood alcohol analysis by GC-FID, methanol elutes at 1 min, ethanol at 2 min, IPA at 3 min, and IS at 4 min. In the patient sample, the analyte elutes t 2 min and the IS at 8 min. What is the relative retention time and the analyte in the patient? ▪ A) methanol ▪ B) Ethanol B C) IPA

▪ In a blood alcohol analysis by GC-FID, methanol elutes at 1 min, ethanol at 2 min, IPA at 3 min, and IS at 4 min. In the patient sample, the analyte elutes t 2 min and the IS at 8 min. What is the relative retention time and the analyte in the patient? ▪ A) methanol ▪ B) Ethanol B C) IPA

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter13: The Chemistry Of Solutes And Solutions

Section13.6: Expressing Solution Composition

Problem 13.7PSP

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Question

▪ In a blood alcohol analysis by GC-FID, methanol elutes at 1 min, ethanol at 2 min,
IPA at 3 min, and IS at 4 min. In the patient sample, the analyte elutes t 2 min and
the IS at 8 min. What is the relative retention time and the analyte in the patient?
▪ A) methanol
B) Ethanol
▪ C) IPA

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